* {
  padding: 0;
  margin: 0;
}

a {
  text-decoration: none;
}

ul li {
  list-style: none;
}

body {
 background: url(../images/bac-white.png) no-repeat;
 z-index: 999;
}

.circle {
  position: absolute;
  right: 95px;
  top: 391px;
  z-index: -1;
}

.main {
  position: relative;
  width: 100%;
  height: auto;
  background: url(../images/bac-blue.png) no-repeat;
  background-size: 100%;
}

/* .bac {
  width: 100%;
  background: url(../images/bac-white.png) no-repeat;
} */

.header {
  width: 1440px;
  height: 84px;
  line-height: 84px;
  margin: 0 auto;
  padding-top: 34px;
}

.img {
  height: 84px;
}

.nav {
  display: flex;
}

.list {
  margin-left: 110px;
}

.nav-list li {
  float: left;
}

.nav-list li img {
  vertical-align: middle;
}

.text {
  color: #fff;
  margin-left: 10px;
  margin-right: 38px;
}

.search {
  position: relative;
}

.search input{
  width: 230px;
  height: 36px;
  background: transparent;
  outline: none;
  border: 1px solid #fff;
  color: #fff;
  border-radius: 5px;
  padding-left: 10px;
  box-sizing: border-box;
}

/* 设置提示文字的颜色 */
.search input::-webkit-input-placeholder{/*Webkit browsers*/
  color:#fff;
  font-size:16px;
}

.search-logo {
  position: absolute;
  right: 2px;
  bottom: 26px;
}

.login img {
  vertical-align: middle; 
}

.login {
  margin-left: 150px;
}

.swiper {
  width: 1440px;
  height: 560px;
  position: relative;
  overflow: hidden;
  margin: 94px auto 0px;
}

.banner {
  width: 1440px;
  height: 560px;
  position: relative;
  display: flex;
}

.title {
  width: 580px;
  height: 560px;
}

.title span {
  width: 580px;
  color: #fff;
  font-size: 62px;
  font-weight: bold;
  text-align: center;
}

.title img {
  vertical-align: middle;
}

.banner-pic {
  width: 730px;
  height: 560px;
  margin-left: 140px;
  position: relative;
}

.phone {
  position: absolute;
  left: 0;
  bottom: 160px;
}

.btn {
  color: #fff;
  text-align: center;
  font-size: 36px;
  width: 280px;
  line-height: 72px;
  background: rgb(55,181,86);
  border-radius: 5px;
  margin: 30px auto 0;
}
.tabbar {
  width: 1440px;
  height: 130px;
  line-height: 130px;
  margin: 0 auto;
}

.tab-content {
  width: 507px;
  margin: auto;
  font-size: 34px;
}

.tab-content img {
  vertical-align: middle;
}


.tab-stu {
  margin-left: 70px;
}

.text-tab {
  margin-left: 19px;
}
.teacher {
  font-family: "微软雅黑";
  text-align:center;
  background: -webkit-linear-gradient(top,rgb(33,154,247) , rgb(9,85,212));     /* 背景色渐变 */
  -webkit-background-clip: text;         /* 规定背景的划分区域 */
  -webkit-text-fill-color: transparent;  /* 防止字体颜色覆盖 */
}

.student {
  font-family: "微软雅黑";
  text-align:center;
  background: -webkit-linear-gradient(top,rgb(225,225,225) , rgb(135,135,135));     /* 背景色渐变 */
  -webkit-background-clip: text;         /* 规定背景的划分区域 */
  -webkit-text-fill-color: transparent;  /* 防止字体颜色覆盖 */
}

.hot-server {
  width: 1278px;
  height: 408px;
  margin: 0 auto;
  position: relative;
  border: 1px solid #ccc;
}

.server-title {
  width: 125px;
  height: 36px;
  background: rgb(229,248,236);
  border-radius: 3px;
  color: rgb(55,181,86);
  font-family: "微软雅黑";
  font-size: 22px;
  text-align: center;
  line-height: 36px;
}

.btn-server {
  position: absolute;
  margin-top: -40px;
  /* padding-top: 30px;
  box-sizing: border-box; */
  left: 0;
  top: 50%;
  color: #00f;
  text-align: center;
}

.next {
  left: auto;
  right: 0;
}

.server-content {
  width: 1200px;
  height: 342px;
  margin: auto;
  display: flex;
  padding: 35px 26px;
  box-sizing: border-box;
  flex-wrap: wrap;
  /* background: red; */
}

.server-item {
  width: 260px;
  height: 123px;
  background: #fff;
  display: flex;
  padding: 29px 20px 28px 24px;
  box-sizing: border-box;
  box-shadow: 0px 1px 5px 4px #eee;
  border-radius: 10px;
  margin:0 10px;
}

.server-item:hover {
  box-shadow: 0px 0px 5px 4px rgb(167,181,237);
  transition: .5s;
}

.server-item span {
  font-family: "微软雅黑";
  font-size: 19px;
}

.item-img {
  width: 58px;
}

.item-box {
  width: 150px;
  height: 63px;
  margin-left: auto;
  position: relative;
}
.item-box-text {
  position: absolute;
  right: 0;
}

.item-box-img {
  position: absolute;
  bottom: 0;
  right: 0;
}

.server-class {
  width: 1278px;
  height: 71px;
  line-height: 71px;
  margin: 0 auto;
  position: relative;
}

.server-class .server-title {
  position: absolute;
  top: 20px;
}

.admin-server {
  width: 1278px;
  height: 354px;
  margin: 17px auto 0;
  box-sizing: border-box;
  display: flex;
}

.admin-left {
  width: 231px;
  height: 324px;
  padding: 15px 17px;
  box-sizing: border-box;
  position: relative;
}

.admin-left img {
  position: absolute;
  top: 95px;
  left: 66px;
}

.admin-right {
  width: 1049px;
  height: 323px;
  display: flex;
  flex-wrap: wrap;
}
.common-title {
  color: #fff;
  font-size: 18px;
}

.common-btn {
  width: 132px;
  height: 35px;
  line-height: 35px;
  text-align: center;
  border-radius: 5px;
  border: 1px solid #fff;
  color: #fff;
  position: absolute;
  left: 50px;
  bottom: 23px;
}

.admin-item {
  width: 249px;
  height: 153px;
  border-radius: 3px;
  margin-left: 10px;
  background: #fff;
  padding: 18px 68px;
  box-sizing: border-box;
  position: relative;
}

.admin-text {
  font-size: 18px;
  position: absolute;
  bottom: 22px;
  left: 60px
}

.common {
  width: 1270px;
  margin: 0 auto;
  border: none;
  height: 2px;
}

.line-1 {
  background: rgb(39,102,254);
}

.line-2 {
  background: rgb(238,73,64);
}

.line-3 {
  background: rgb(255,111,2);
}

.line-4 {
  background: rgb(28,183,23);
}
s
.line-5 {
  background: rgb(98,193,255);
}

.line-6 {
  background: rgb(221,13,252);
}

.line-7 {
  background: rgb(47,153,31);
}

.line-8 {
  background: rgb(254,153,0 );
}